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Atlanto Occipital Joint

From WikiSM

Description

Posterior view of the atlanto-occipital joint, to observe the transverse and alar ligaments[1]
a The atlanto-occipital and the atlanto-axial joints in the anterior and lateral views respectively. The axis (C2) in bold order denotes the odontoid process. The atlas (C1) is the first cervical vertebra. b The odontoid process of C2 through mouth view projection[2]

Names

  • Atlantooccipital joint
  • Atlanto Occipital Joint
  • Atlanto-occipital Joint
  • C0-C1 joint

Description

  • Paired articulation between the cervical spine and the base of the skull
  • Paired with the atlantoaxial joint, makes up the craniovertebral joints

Actions

  • Principle movement is flexion-extension
  • Allows the head to nod

Articular Surfaces

  • Occipital condyles
  • Superior articular facets of atlas

Ligaments

  • Posterior atlantooccipital ligament
  • Anterior atlantooccipital ligament

Innervation

  • C1 spinal nerve

Vascular Supply

  • Anastomosis between deep cervical, occipital and vertebral arteries

Clinical Significance

  • Needs to be updated

See Also

References

  1. ↑ Ortiz, Gerardo L., Ivette Pratts, and Edwardo Ramos. "Grisel's syndrome: an unusual cause of torticollis." Journal of pediatric rehabilitation medicine 6.3 (2013): 175-180.
  2. ↑ Drosos, Alexandros A., Eleftherios Pelechas, and Paraskevi V. Voulgari. "Radiological findings of the cervical spine in rheumatoid arthritis: what a rheumatologist should know." Current Rheumatology Reports 22 (2020): 1-10.
Created by:
John Kiel on 26 September 2024 19:10:26
Authors:
Last edited:
15 April 2025 14:22:00
Category:
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